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Boron carbide (chemical formula approximately B 4 C) is an extremely hard boron–carbon ceramic, a covalent material used in tank armor, bulletproof vests, engine sabotage powders, [2] as well as numerous industrial applications. With a Vickers hardness of >30 GPa, it is one of the hardest known materials, behind cubic boron nitride and ...
Since the early 1960s there were, in the US, extensive research programmes ongoing aimed at investigating the prospects of employing composite ceramic materials as vehicle armour. [25] This research mainly focused on the use of an aluminium metal matrix composite reinforced by silicon carbide whiskers, to be produced in the form of large sheets ...
The design and purpose of the vehicle determines the amount of armour plating carried, as the plating is often very heavy and excessive amounts of armour restrict mobility. In order to decrease this problem, some new materials (nanomaterials) and material compositions are being researched which include buckypaper, [2] and aluminium foam armour ...
A Chinese publication lists 30MnCrNiMo "685" steel as the material used in Chinese rolled armor plates, with a Brinell Hardness of HBW 444-514 (thin) / 429-495 (thick). According to the same publication, older vehicles use a 22SiMn2TiB "616" steel with a hardness of HBS ≤ 219.
The History Channel's original logo used from January 1, 1995, to February 15, 2008, with the slogan "Where the past comes alive." In the station's early years, the red background was not there, and later it sometimes appeared blue (in documentaries), light green (in biographies), purple (in sitcoms), yellow (in reality shows), or orange (in short form content) instead of red.
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The first Australian ute (vehicle) was a 1934 Ford Coupe Utility. It included a tonneau. Tonneau covers [10] are used in coupé utility cars and pickup trucks to cover and secure the cargo bed and come in a variety of styles. Mainly they are categorized by material Soft or Hard covers.
The driver of the No. 1 Chevrolet used a move straight out of a video game to pass five cars in the final corner, securing him a spot in the final playoff race. Ross Chastain’s Crazy Wall-Ride ...